There is a difference in screen size (50 Inch (126 cm) vs 49 Inch (124.46 cm)), and a larger screen generally provides a more immersive viewing experience. If you're comparing Sansui S50P28UA and Sanyo XT-49S7200F, both models come with modern features and are designed to deliver a solid viewing experience across different use cases. Overall, both models are capable choices in their segment, offering a balance between performance, features, and usability. Both TVs provide decent motion handling, making them suitable for everyday viewing including sports and action content. Both TVs provide standard built-in audio performance suitable for regular usage, though external speakers can enhance the experience. Sansui S50P28UA and Sanyo XT-49S7200F differ in resolution (4K 3840 x 2160 vs 1920 x 1080), which can affect overall clarity and sharpness of the display. Both TVs offer adequate brightness levels suitable for most indoor lighting conditions. Both TVs come with smart platforms that support popular streaming apps and voice control features.

Verdict: Both models offer good value, and the better option depends on your specific requirements and viewing preferences.